EYE OF SCIENCE / SCIENCE PHOTO LIBRARY EYE OF SCIENCE / SCIENCE PHOTO LIBRARY
Tooth enamel. Coloured scanning electron micrograph (SEM) of a section through tooth enamel. The enamel is the outer covering the crown (visible part) of the tooth. It is the hardest substance in the human body. It is composed of rows of calcium and phosphorous salts (light brown) embedded in a protein matrix (grey). Magnification: x1400 when printed at 10 centimetres wide.
Model release not required. Property release not required.